From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934710AbXG2UYX (ORCPT ); Sun, 29 Jul 2007 16:24:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S935569AbXG2UX6 (ORCPT ); Sun, 29 Jul 2007 16:23:58 -0400 Received: from hu-out-0506.google.com ([72.14.214.228]:22428 "EHLO hu-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935376AbXG2UX4 (ORCPT ); Sun, 29 Jul 2007 16:23:56 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=MFOI1CcIgw/Cu1Tzx8cK2uboAIhXPTsCrr1iU5QSuPN14YMmXhe+2vuJOks5mVIgq9dTS+bOLdQ9Br1pRpvhS1jG6F5/lOyT5Umy0c0BUrEYG56zHbLZxIEW0Ox5I5ZspYjzMETmvWwo/yZWmM4Q8wWVpgOEnMU2DbJnUO+RgHk= Message-ID: <2c0942db0707291323w1096007fr4bd43a58cb586256@mail.gmail.com> Date: Sun, 29 Jul 2007 13:23:54 -0700 From: "Ray Lee" To: "Paul Jackson" Subject: Re: RFT: updatedb "morning after" problem [was: Re: -mm merge plans for 2.6.23] Cc: rene.herman@gmail.com, alan@lxorguk.ukuu.org.uk, david@lang.hm, dhazelton@enter.net, efault@gmx.de, akpm@linux-foundation.org, mingo@elte.hu, frank@kingswood-consulting.co.uk, andi@firstfloor.org, nickpiggin@yahoo.com.au, jesper.juhl@gmail.com, ck@vds.kolivas.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org In-Reply-To: <20070729131849.15f29159.pj@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <9a8748490707231608h453eefffx68b9c391897aba70@mail.gmail.com> <46AC4B97.5050708@gmail.com> <20070729141215.08973d54@the-village.bc.nu> <46AC9F2C.8090601@gmail.com> <2c0942db0707290758p39fef2e8o68d67bec5c7ba6ab@mail.gmail.com> <46ACAB45.6080307@gmail.com> <2c0942db0707290820r2e31f40flb51a43846169a752@mail.gmail.com> <20070729123353.2bfb9630.pj@sgi.com> <2c0942db0707291300k3e30e410wdd0aba7644382e3b@mail.gmail.com> <20070729131849.15f29159.pj@sgi.com> X-Google-Sender-Auth: ffaebdccd7be43fb Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 7/29/07, Paul Jackson wrote: > Ray wrote: > > Ah, so in a normal scenario where a working-set is getting faulted > > back in, we have the swap storage as well as the file-backed stuff > > that needs to be read as well. So even if swap is organized perfectly, > > we're still seeking. Damn. > > Perhaps this applies in some cases ... perhaps. Yeah, point taken: better data would make this a lot easier to figure out and target fixes. Ray